Watreproof Monitor Camera System for Tractor and Aricultural Machinery Eliminate Blind Spots and Outside us 7"Digital Screen Quad Monitor IP 69K Watreproof and Touch Button Control Function Automotive Digital Video Processor Operating temperature: -40℃ to +80℃,Able to show 1,2,3 and 4 views at one time Aluminum Shell Side Camera IP69K Waterproof and 10G Vibrationfo, Always Positioned Correctly, No Matter What The Location, Built in 10 pcs Ultra Bright IR LED's for enhanced low light picture quality System Free Operating Voltage DC11~32V